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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Exponents and Powers
Question
1
1.
Simplify the expression
(-9)
-9
✕
(-2)
-9
✕
(-3)
-9
(-54)
-9
(-54)
-10
(-54)
-8
(-57)
-9
(-51)
-9
Question
2
2.
Find the exponential notation of
(
-72
35
)
-1
✕
2
3
✕
3
2
5
✕
7
-1
✕
2
4
✕
3
2
5
✕
7
-1
✕
2
3
✕
3
2
3
✕
7
-1
✕
2
3
✕
3
2
5
✕
9
-1
✕
2
3
✕
3
5
✕
7
Question
3
3.
Find the exponential notation of
18
✕
18
✕
18
✕
18
✕
18
✕
18
✕
18
✕
18
20
8
18
8
15
8
18
7
18
9
Question
4
4.
e
✕
e
✕
e
=
−
2
e
3
e
3
4
e
3
e
4
e
2
Question
5
5.
The
base
in the term
5
2
is
2
-2
-5
5
1
3
Question
6
6.
12
h
3
=
12
✕
h
✕
h
✕
h
12
✕
h
✕
h
✕
h
✕
h
10
✕
h
✕
h
✕
h
15
✕
h
✕
h
✕
h
12
✕
h
✕
h
Question
7
7.
6
k
9
.
7
k
7
.
8
k
8
=
336
k
504
21
k
24
24
k
336
336
k
24
21
k
504
Question
8
8.
Simplify the expression
-9
(
-3
7
)
✕
-9
(
-3
7
)
-19
(
-3
7
)
-18
(
-3
7
)
-18
(
-1
7
)
-18
(
-5
7
)
-17
(
-3
7
)
Question
9
9.
Find the value of
(
-3
4
)
81
1
9
(
-1
27
)
1
25
1
27
1
29
Question
10
10.
Simplify
5
-3
✕
4
-3
✕
(-2)
-2
✕
4
-3
5
-3
✕
(-2)
-2
✕
4
-3
2
-5
5
-6
2
-6
(-1)
-6
2
-7
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